How did David protect himself from the King of Gath when he was fleeing Saul - he feigned madness. Have you ever considered the unique ways an things that many have done throughout the Bible in order to protect themselves? You may wish to give references and / or examples.
Some other unique ways of protection include the story of Lot in Genesis 18-19. In this story, the messengers are being called out to have relations with the men of the city. They become violent, so the messengers blind ALL of them! That is one way to protect yourself!
Acts 5:12-42 has a great instance in which all the apostles are locked up in jail. Now this isn't an instance in which they protected themselves, but God protected them. They where most likely going to be put to death, but God let them out of the prison. Not only did they get out of Jail, but the cells where still locked tight when they where found!